5 Questions
What type of tissues does the T1-weighted pulse sequence highlight?
Tissues with short T1 relaxation times
Which tissues appear bright in the image in a T2-weighted pulse sequence?
Tissues with long T2 relaxation times
What type of tissues appear dark in the image in a T1-weighted pulse sequence?
Tissues with longer T1 relaxation times
Which type of pulse sequence is designed to highlight tissues with short T2 relaxation times?
Flair pulse sequence
"Flair" pulse sequence highlights which type of tissue as bright in the image?
"Light" gray matter
Study Notes
T1-Weighted Pulse Sequence
- Highlights fat and protein-rich tissues as bright in the image
- Highlights fluids and certain-pathological tissues as dark in the image
T2-Weighted Pulse Sequence
- Highlights fluids and certain-pathological tissues as bright in the image
Tissue Contrast
- Tissues with short T2 relaxation times appear dark in T2-weighted images
- Tissues with long T2 relaxation times appear bright in T2-weighted images
FLAIR Pulse Sequence
- Highlights CSF (cerebrospinal fluid) as dark in the image
- Highlights fluids and certain-pathological tissues as bright in the image
Test your knowledge of MRI pulse sequences and spatial encoding with this quiz. Learn about the different types of radiofrequency pulses used in MRI scans and how they are arranged to produce specific image characteristics.
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